大道之行，天下为公。此言意为，治理国家应以大道为准则，让天下百姓共享公平与公正。这句话出自《礼记·大学》中的经典名篇《大学》。

大道，即治理国家的根本准则。在《大学》中，大道被描述为“格物致知，诚意正心，修身齐家，治国平天下”。这个“大道”包含了人的修养、家庭和社会的治理，以及国家的管理，是一个完整的理论体系。

天下为公，则是大道的最终目的。这意味着，每个人都应该受到平等的待遇，不论贫富贵贱，都应该享有同等的权利和机会。国家的管理应该以人民的利益为出发点，让人民过上公平、正义、幸福的生活。

这句话的内涵深远，不仅适用于古代，也适用于现代社会。在当今世界，各国的治理都应该以公平、正义、民主为准则，让全体人民共享和谐、幸福的生活。

注释：

大道：治理国家的根本准则。

天下为公：让天下百姓享有公平和公正。

格物致知：通过感知事物的本质，获得知识和智慧。

诚意正心：保持真诚的心态，修正自己的思想和行为。

修身齐家：在个人层面上，通过修养自己和管理家庭来实现治理。

治国平天下：在国家层面上，管理国家，让天下百姓过上和谐、幸福的生活。

英文翻译：

The way of governance is to benefit all people. This means that governance should be based on the principles of fairness and justice, so that all people can enjoy equal rights and opportunities, regardless of their social status or wealth. This concept comes from the classic text 'The Great Learning' in 'The Book of Rites'.

The way of governance, or the 'great learning', is described in 'The Great Learning' as 'investigating things, acquiring knowledge, being honest in intention and rectifying the mind, cultivating the self and managing the family, governing the state and pacifying the world'. This is a complete theoretical system that encompasses personal cultivation, family management, social governance, and national administration.

The ultimate goal of the way of governance is to benefit all people. This means that governance should be based on the principles of fairness and justice, with the focus on the well-being of the people. The government should ensure that all people can live in a fair, just, and happy society.

This concept has far-reaching implications, not only for ancient times but also for modern society. In today's world, all countries should base their governance on principles of fairness, justice, and democracy, so that all people can enjoy a harmonious and happy life.

Translation annotation:

The way of governance: The fundamental principles of governing a country.

Benefit all people: To ensure fairness and justice, allowing everyone to enjoy equal rights and opportunities.

Investigating things, acquiring knowledge, being honest in intention and rectifying the mind, cultivating the self and managing the family, governing the state and pacifying the world: A complete theoretical system that encompasses personal cultivation, family management, social governance, and national administration.

Pacifying the world: To ensure that all people can live in a fair, just, and happy society.